EP0558821A3 - Videorecorder - Google Patents

Videorecorder Download PDF

Info

Publication number: EP0558821A3
Authority: EP; European Patent Office
Prior art keywords: videorecorder
Prior art date: 1992-01-08
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19920122131

Other versions

EP0558821A2 (en

Inventor

Hans-Juergen Kluth

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Deutsche Thomson Brandt GmbH

Original Assignee

Deutsche Thomson Brandt GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1992-01-08

Filing date

1992-12-30

Publication date

1993-09-29

1992-01-08 Priority claimed from DE19924200222 external-priority patent/DE4200222A1/en

1992-01-10 Priority claimed from DE19924200434 external-priority patent/DE4200434A1/en

1992-12-30 Application filed by Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH

1993-09-08 Publication of EP0558821A2 publication Critical patent/EP0558821A2/en

1993-09-29 Publication of EP0558821A3 publication Critical patent/EP0558821A3/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
- H04N9/835—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal involving processing of the sound signal
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/78213—Television signal recording using magnetic recording on tape involving recording in different depths of the magnetic tape

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Recording Or Reproducing By Magnetic Means (AREA)
Signal Processing For Digital Recording And Reproducing (AREA)
Television Signal Processing For Recording (AREA)

EP19920122131 1992-01-08 1992-12-30 Videorecorder Withdrawn EP0558821A3 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE19924200222 DE4200222A1 (en)	1992-01-08	1992-01-08	Video recorder with additional digital signal recording head - uses whole and part depth of magnetic tape coating for analogue and digital signal tracks respectively.
DE4200222		1992-01-08
DE19924200434 DE4200434A1 (en)	1992-01-10	1992-01-10	Video recorder for PAL plug signal - has VHS signal, supplied to magnetic head, switched to constant black on grey value during second line group
DE4200434		1992-01-10

Publications (2)

Publication Number	Publication Date
EP0558821A2 EP0558821A2 (en)	1993-09-08
EP0558821A3 true EP0558821A3 (en)	1993-09-29

Family

ID=25910834

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19920122131 Withdrawn EP0558821A3 (en)	1992-01-08	1992-12-30	Videorecorder

Country Status (4)

Country	Link
EP (1)	EP0558821A3 (en)
JP (1)	JPH0614343A (en)
KR (1)	KR930016946A (en)
CA (1)	CA2086734A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH05344535A (en) *	1992-06-05	1993-12-24	Matsushita Electric Ind Co Ltd	Magnetic recording/reproducing device for video signal to which compensation signal is added
US6104862A (en) *	1994-12-19	2000-08-15	Hitachi, Ltd.	Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing
US6459848B1 (en) *	1997-08-06	2002-10-01	Victor Company Of Japan, Ltd.	Magnetic recording apparatus and method, and magnetic recording medium
EP1442597A2 (en) *	2001-11-01	2004-08-04	A4S Technologies Inc.	Remote surveillance system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0170032A1 (en) *	1984-06-22	1986-02-05	Hitachi, Ltd.	Magnetic recording-reproducing apparatus
US4679097A (en) *	1983-11-30	1987-07-07	Matsushita Electric Industrial Co., Ltd.	Method of recording and reproducing video and audio signals on a magnetic tape
US4758903A (en) *	1984-11-22	1988-07-19	Hitachi, Ltd.	Apparatus for recording and reproducing video signal and digital signal other than video signal
WO1991017628A1 (en) *	1990-05-09	1991-11-14	Deutsche Thomson-Brandt Gmbh	Video recorder with improved sound recording

1992
- 1992-12-30 EP EP19920122131 patent/EP0558821A3/en not_active Withdrawn
1993
- 1993-01-05 CA CA002086734A patent/CA2086734A1/en not_active Abandoned
- 1993-01-07 JP JP5001056A patent/JPH0614343A/en active Pending
- 1993-01-08 KR KR1019930000161A patent/KR930016946A/en not_active Application Discontinuation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4679097A (en) *	1983-11-30	1987-07-07	Matsushita Electric Industrial Co., Ltd.	Method of recording and reproducing video and audio signals on a magnetic tape
EP0170032A1 (en) *	1984-06-22	1986-02-05	Hitachi, Ltd.	Magnetic recording-reproducing apparatus
US4758903A (en) *	1984-11-22	1988-07-19	Hitachi, Ltd.	Apparatus for recording and reproducing video signal and digital signal other than video signal
WO1991017628A1 (en) *	1990-05-09	1991-11-14	Deutsche Thomson-Brandt Gmbh	Video recorder with improved sound recording

Also Published As

Publication number	Publication date
CA2086734A1 (en)	1993-07-09
KR930016946A (en)	1993-08-30
JPH0614343A (en)	1994-01-21
EP0558821A2 (en)	1993-09-08

Legal Events

Date	Code	Title	Description
1993-07-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1993-08-11	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-09-08	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE ES FR GB IT
1993-09-29	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE ES FR GB IT
1994-10-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1994-12-14	18D	Application deemed to be withdrawn	Effective date: 19940330

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